Estratigrafía del cretácico superior y terciario inferior en el sector norte de la cuenca del putumayo, departamento del caquetá, colombia

A new scheme of stratigraphic nomenclature is defined formally in the northern portion of the Putumayo basin. The Masaya Formation (new formation) represents the beginning of the Cretaceous sedimentation during the late Cenomanian, exhibiting fluvial deposits that rapidly grade up-section to interti...